In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.

In this screencast, learners examine the physical facets that determine the value of a capacitor.

Learners review the three formulas for power and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and asked to solve for power. Immediate feedback is provided.

The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

Students use the pyramid method to solve percent problems. The pyramid grid provides a visual way to set up the equation.

Students view a sample of the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous current of a de-energizing circuit.

Students view a sample of the keystrokes used on a TI-36X calculator to solve for the instantaneous current of a de-energizing circuit.

Learners view a sample of the keystrokes on a TI-36X calculator that are required to solve for the instantaneous current of an energizing RL circuit.

Introduction to expressions and equations for 6th grade math.

vocab

Multiply by 2 to help the Pirate eliminate squids!

Identify each sentence as simple, compound, or complex.